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 * Copyright (c) 2020-2030 ZHENGGENGWEI(码匠君)<herodotus@aliyun.com>
 *
 * Dante Cloud licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * <http://www.apache.org/licenses/LICENSE-2.0>
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Dante OSS 采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点：
 *
 * 1.请不要删除和修改根目录下的LICENSE文件。
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package cn.herodotus.oss.minio.core.converter.sse;

import cn.herodotus.oss.minio.core.exception.MinioInvalidKeyException;
import cn.herodotus.oss.minio.core.exception.MinioNoSuchAlgorithmException;
import io.minio.ServerSideEncryptionCustomerKey;
import org.apache.commons.lang3.StringUtils;
import org.dromara.hutool.crypto.KeyUtil;
import org.dromara.hutool.crypto.symmetric.SymmetricAlgorithm;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.convert.converter.Converter;

import javax.crypto.SecretKey;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;

/**
 * <p>Description: Minio Request 转 ServerSideEncryptionCustomerKey 转换器 </p>
 *
 * @author : gengwei.zheng
 * @date : 2023/6/9 12:21
 */
public class RequestToServerSideEncryptionCustomerKeyConverter implements Converter<String, ServerSideEncryptionCustomerKey> {

    private static final Logger log = LoggerFactory.getLogger(RequestToServerSideEncryptionCustomerKeyConverter.class);

    @Override
    public ServerSideEncryptionCustomerKey convert(String customerKey) {
        if (StringUtils.isNotBlank(customerKey)) {
            SecretKey secretKey = KeyUtil.generateKey(SymmetricAlgorithm.AES.getValue(), 256);

            try {
                return new ServerSideEncryptionCustomerKey(secretKey);
            } catch (InvalidKeyException e) {
                log.error("[Herodotus] |- Minio catch InvalidKeyException in ObjectReadRequest prepare.", e);
                throw new MinioInvalidKeyException(e.getMessage());
            } catch (NoSuchAlgorithmException e) {
                log.error("[Herodotus] |- Minio catch NoSuchAlgorithmException in ObjectReadRequest prepare.", e);
                throw new MinioNoSuchAlgorithmException(e.getMessage());
            }
        }

        return null;
    }
}
